Concept explainers
(a)
Draw the graph sales of soft ball and year.
(a)
Answer to Problem 3PPS
Graph is a straight line.
Explanation of Solution
Given data:
Table of baseball and softball sales and tennis ball sales
Formula used:
Slope intercept form:
Calculation:
Graph of baseball and softball,
Conclusion:
The graph is a straight line graph..
(b)
Sales in 2015.
(b)
Answer to Problem 3PPS
The sales of baseball and softball in 2015 is 391$ billions.
Explanation of Solution
Given data:
Table of baseball and softball sales and tennis ball sales
Formula used:
Slope intercept form:
Calculation:
The sales in 2015:
Intercept =11034
So equation is
The sales of baseball and softball in 2015 is 391$billions
Conclusion:
The sales of baseball and softball in 2015 is 391$billions.
(c)
Draw the graph of sales of tennis and year.
(c)
Answer to Problem 3PPS
There is a increment in the sales of tennis ball.
Explanation of Solution
Given data:
Table of baseball and softball sales and tennis ball sales
Formula used:
Slope intercept form:
Calculation:
Graph of sales of tennis v/s year
Conclusion:
There is a increment in sales of tennis ball.
(d)
Sales of tennis ball in2015.
(d)
Answer to Problem 3PPS
The sales of tennis in 2015 is 881$billions.
Explanation of Solution
Given data:
Table of tennis ball sales
Formula used:
Slope intercept form:
Calculation:
The of tennis in 2015:
Intercept=-2141
So equation is
The sales of tennis in 2015 is 881$billions
Conclusion:
The sales of tennis in 2015 is 881$billions.
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